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Debt - Schedule Of Aggregate Maturities Of Debt (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Debt Disclosure [Abstract]    
2020 $ 88  
2021 201  
2022 2,469  
2023 6  
2024 1,094  
Thereafter 10,001  
Total 13,859  
Fair value of outstanding debt $ 14,160 $ 6,619